<html xmlns="http://www.w3.org/1999/xhtml" 
      xmlns:f="http://java.sun.com/jsf/core" 
      xmlns:h="http://java.sun.com/jsf/html">
   <h:head>
    <title>JSF 2.0</title>
   </h:head>
   <h:body>
    <h3>JSF</h3>
    <h:form>
        <h:inputText value="#{helloBean.nick}"/>
        <h:commandButton value="Push me" action="welcome"/>
    </h:form>
   </h:body>
</html>